Home / 5,103.08-7,655.52-1,771.76

Finding the Fourth Proportional to 5,103.08, 7,655.52 and 1,771.76

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Solution

The fourth proportional to 5,103.08, 7,655.52 and 1,771.76 is: 2,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.08 : 7,655.52 = 1,771.76 : x
  2. Step 2: Convert to fraction form
    5,103.08/7,655.52 = 1,771.76/x
  3. Step 3: Cross multiply
    5,103.08x = 7,655.52 × 1,771.76
  4. Step 4: Simplify right side
    5,103.08x = 13,563,744.12
  5. Step 5: Solve for x
    x = 13,563,744.12/5,103.08
  6. Step 6: Final answer
    x = 2,657.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.